Present in Michigan County: Baraga, Marquette; Geological Formation: Michigamme Slate Fm.; Specific Mine Name: 1910-1912; Commercial Mining History: 1910-1912; Published Literature: Snelgrove, A. K., Seaman, W. A., Ayres, V. L. (1943) 'Strategic Minerals Investigations in Marquette and Baraga Counties', Progress Report No. 10, Geological Survey Division, Michigan Dept. of Conservation, Lansing, MI., p. 18; Unpublished Literature: Hwang, J.Y., Carlson, D.H., Johnson, A.M., and Van Alstine, J. 1986. Preliminary Investigation of Graphite Resources in Michigan. Process Mineralogy VI: Proceedings of a symposium presented in six sessions on Process Mineralogy held during the Metallurgical Society Annual Meeting. New Orleans, Louisiana. March [...]
